About Wesco Aircraft

Wesco Aircraft Holdings, Inc. Announces Underwriters Exercise of Over-Allotment Option in Offering by The Carlyle Group

May 23, 2013

VALENCIA, Calif.--(BUSINESS WIRE)--May. 23, 2013--
Wesco Aircraft Holdings, Inc. (“Wesco Aircraft” or the “Company”) (NYSE:
WAIR) today announced that in connection with the previously announced
public offering of 15,000,000 shares of the Company’s common stock by
affiliates of The Carlyle Group (“Carlyle”), the underwriters have
exercised their option to purchase an additional 2,250,000 shares from
Carlyle at an offering price of $16.00 per share. As a result, Carlyle
will sell a total of 17,250,000 shares in the offering. The offering is
expected to close and settle on May 29, 2013. Carlyle and the directors
and officers of the Company have entered into lock-up agreements placing
certain restrictions on their sale or transfer of shares of common stock
for a period of 75 days or, in certain cases, 60 days from the date of
the offering. The Company is not selling any shares of common stock in
the offering and will not receive any of the proceeds from the offering
of shares by Carlyle.

A shelf registration statement (including a prospectus) relating to the
offering of the common stock has previously been filed with the U.S.
Securities and Exchange Commission and has become effective. Before
investing, you should read the prospectus and other documents filed with
the Securities and Exchange Commission for information about Wesco
Aircraft and this offering. A copy of the prospectus may be obtained
from Barclays Capital Inc., c/o Broadridge Financial Solutions, 1155
Long Island Avenue, Edgewood, NY 11717, Barclaysprospectus@broadridge.com,
or by telephone at (888) 603-5847 or from J.P. Morgan Securities LLC,
c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood,
NY 11717, or by telephone at (866) 803-9204.

This press release shall not constitute an offer to sell or the
solicitation of any offer to buy, nor shall there be any sale of these
securities in any jurisdiction in which such offer, solicitation or sale
would be unlawful prior to the registration or qualification under the
securities laws of such jurisdiction.

About Wesco Aircraft

Wesco Aircraft is one of the world’s largest distributors and providers
of comprehensive supply chain management services to the global
aerospace industry. The Company’s services range from traditional
distribution to the management of supplier relationships, quality
assurance, kitting, just-in-time delivery and point-of-use inventory
management. The Company believes it offers one of the world’s broadest
inventories of aerospace parts, comprised of more than 500,000 different
stock keeping units, including hardware, bearings, tools, electronic
components and machined parts. Wesco Aircraft has more than 1,200
employees across 42 locations in 12 countries.

Forward Looking Statements

Certain information in this news release contains forward-looking
statements with respect to the Company’s expectations or beliefs
concerning future events. In some cases, you can identify
forward-looking statements by terminology such as “guidance,” “may,”
“will,” “could,” “should,” “forecasts,” “expects,” “intends,” “plans,”
“anticipates,” “projects,” “outlook,” “believes,” “estimates,”
“predicts,” “potential,” “continue,” “preliminary,” or the negative of
these terms or other comparable terminology. Although the Company
believes that such forward-looking statements are reasonable, it cannot
assure you that any forward-looking statements will prove to be correct.
Such forward-looking statements involve risks, uncertainties, estimates
and assumptions that may cause the Company’s actual results, performance
or achievements to be materially different than those set forth in this
news release. In particular, there can be no assurances that the
offering by Carlyle will be consummated. Additional information relating
to factors that may cause actual results to differ from the Company’s
forward-looking statements can be found in the Company’s filings with
the Securities and Exchange Commission, including the Company’s Annual
Report on Form 10-K for the fiscal year ended September 30, 2012, as
supplemented by the Company’s Quarterly Reports on Form 10-Q for the
quarterly periods ended December 31, 2012 and March 31, 2013. The
Company undertakes no obligation to update or revise forward-looking
statements after the day of the release as a result of new information,
future events or developments except as required by law.